package cn.school.mybatis.service;

import cn.school.mybatis.dao.GradeDao;
import cn.school.mybatis.pojo.Grade;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

//业务逻辑bean
//服务层,调用dao方法
@Service
public class GradeService {
    @Autowired
    private GradeDao gradeDao;

    //增加
    public int add(Grade grade) {
        return gradeDao.add(grade);
    }

    //删除
    public int del(int id) {
        return gradeDao.del(id);
    }

    //修改
    public int update(Grade grade) {
        return gradeDao.update(grade);
    }

    //id查单个
    public Grade get(int id) {
        return gradeDao.get(id);
    }


    //查全部
    public List<Grade> searchAll() {
        return gradeDao.searchAll();
    }


}
